Incidence, and natural history of inflammatory bowel disease in Castilla y León:Prospective and multicenter epidemiological study Rosa María Sáiz-Chumillas; Jesús Barrio; Luis Fernández-Salazar; Lara Arias; Mónica Sierra Ausín; Concepción Piñero; Ana Fuentes Coronel; Laura Mata; Mónica Vásquez; Ana Carbajo; Noelia Alcaide; Noelia Cano; Aejandro Nuñez; Paola Fradejas; Mercedes Ibáñez; Luis Hernández; Beatriz Sicilia;

Combination of granulocyte¿monocyte apheresis and ustekinumab: Multicentre and retrospective study Iago Rodríguez-Lago; Claudia Herrera-deGuise; Maia Boscá-Watts; Cristina Rodríguez; Eduardo Leo-Carnerero; María Calvo Íñiguez; Fiorella Cañete; Silvia Chacón; Camila Cuarán; Ainara Elorza; Elena Guerra-del-Río; Eva Iglesias; Damián Sánchez; Manuel Barreiro-de Acosta; Daniel Ginard; José Luis Cabriada;

Granulocyte and monocyte adsorptive apheresis (GMA) in patients with inflammatory bowel disease: A useful therapeutic tool not just in ulcerative colitis but also in Crohn's disease Francisco José Fernández-Pérez; Nuria Fernández-Moreno; Estela Soria-López; Francisco Javier Rodriguez-González; Francisco José Fernández-Galeote; Ana Lifante-Oliva; Concepción Ruíz-Hernández; Elisabeth Escalante-Quijaite; Francisco Rivas-Ruiz;